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Werner Ude
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Darmstadt, DE
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last 30 patents
Information
Patent Grant
Method of obtaining water-free 2-trimethylammoniumethyl methacrylat...
Patent number
5,849,946
Issue date
Dec 15, 1998
Roehm GmbH Chemische Fabrik
Peter-Joseph Arndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of terminally nitrogen heterocycle subst...
Patent number
5,567,826
Issue date
Oct 22, 1996
Roehm GmbH Chemische Fabrik
Joachim Knebel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hard foam cores for laminates
Patent number
4,996,109
Issue date
Feb 26, 1991
Rohm GmbH
Manfred Krieg
B32 - LAYERED PRODUCTS
Information
Patent Grant
Temperature resistant aromatic polyethers
Patent number
4,990,588
Issue date
Feb 5, 1991
Rohm GmbH
Joachim Knebel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making aromatic bisphenols
Patent number
4,931,594
Issue date
Jun 5, 1990
Rohm GmbH
Joachim Knebel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermoplastic polyarylene ethers
Patent number
4,889,909
Issue date
Dec 26, 1989
Rohm GmbH
Sigmund Besecke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of preparing N-methylphosphonic acid diesters of acrylic and...
Patent number
4,774,349
Issue date
Sep 27, 1988
Rohm GmbH Chemische Fabrik
Klaus Langerbeins
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphorus-containing polyarylene ethers
Patent number
4,745,225
Issue date
May 17, 1988
Rohm GmbH
Werner Ude
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for making tertiary phosphine oxides
Patent number
4,745,224
Issue date
May 17, 1988
Rohm GmbH
Joachim Knebel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for making aromatic phosphorus compounds
Patent number
4,698,448
Issue date
Oct 6, 1987
Rohm GmbH
Werner Ude
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphorus-containing polyarlene ether
Patent number
4,696,993
Issue date
Sep 29, 1987
Rohm GmbH
Werner Ude
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making 9,9-bis-(4-hydroxyphenyl)-fluorene
Patent number
4,675,458
Issue date
Jun 23, 1987
Ronm GmbH
Achim Riemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for recovering aromatic polyethers
Patent number
4,673,730
Issue date
Jun 16, 1987
Rohm GmbH
Hermann Siegert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for making 4,4'-dihydroxydiphenyl ether
Patent number
4,638,099
Issue date
Jan 20, 1987
Rohm GmbH
Achim Riemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyarylene ethers containing phosphorus
Patent number
4,492,805
Issue date
Jan 8, 1985
Rohm GmbH
Siegmund Besecke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyarylene esters containing phosphorus
Patent number
4,472,570
Issue date
Sep 18, 1984
Rohm GmbH
Siegmund Besecke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyarylene esters containing phosphorus
Patent number
4,463,159
Issue date
Jul 31, 1984
Rohm GmbH
Siegmund Besecke
C07 - ORGANIC CHEMISTRY